Former Portland Timbers defender Cameron Knowles was named as an assistant coach, the team announced Thursday afternoon.

Knowles was a defender on the Timbers USL teams from 2007 through the 2010 season. Knowles joins Amos Magee and Mike Toshack as the assistants to head coach John Spencer.

Knowles played professionally for seven seasons, including four with the Timbers from 2007-10. Knowles was originally drafted by Real Salt Lake in the 2005 Major League Soccer Supplemental Draft and played two seasons in MLS.